This specialty filter creates a zoom rack type effect where the edges of the image are blurred in a circular distortion and the center flat window retains the in-focus image.

Featuring a zoom rack blur type effect, this wormhole filter allows normal focus in the center from a 50mm flat window. You can catch light on the edge of the window to creates halos and other surreal image artifacts.. Excellent for special effects such as dream, altered reality and many more.